If you would feel uncomfortable showing the page to your boss or someone's sweet ol' granny, then probably best to put it behind a NSFW filter. ;d It's not that you're censoring your storytelling! Your story is still there, it's just a fair heads-up to someone who might be reading in a public setting.
If it's minor enough, you can also just put a header at the top of that episode that says "warning: This episode contains minor blood/violence/language etc", if you're worried about a big "NSFW" filter being too vague.